// Package logger provides helper functions for logging
package logger

import (
	"encoding/json"

	lz "github.com/karincake/apem/logger-zerolog"
	d "github.com/karincake/dodol"
	l "github.com/karincake/lepet"
)

type Event struct {
	// Context about the operation
	Feature string // Feature area, e.g. "Create"
	Action  string // Action being performed, e.g. "DBCreate"
	Source  string // Source of event, usually present in each use case
	Status  string // e.g. "started", "failed", "success"

	// Error context
	ErrInfo ErrorInfo
}

type ErrorInfo struct {
	Code   string // used in lang json
	Detail string
	Raw    error
}

func SetLogInfo(e Event, data any) {
	dataString, _ := json.Marshal(data)
	lz.O.Info().
		String("source", e.Source).
		String("feature", e.Feature).
		String("action", e.Action).
		String("status", "started").
		String("input", string(dataString)).
		Send()
}

func SetLogError(e Event, data any) error {
	dataString, _ := json.Marshal(data)
	msg := l.I.Msg(e.ErrInfo.Code)

	lz.O.Error().
		String("message", msg).
		String("source", e.Source).
		String("feature", e.Feature).
		String("action", e.Action).
		String("status", e.Status).
		String("error_code", e.ErrInfo.Code).
		String("error_detail", e.ErrInfo.Detail).
		String("data", string(dataString)).
		Send()

	if err, ok := e.ErrInfo.Raw.(d.FieldError); ok {
		return err
	}
	if err, ok := e.ErrInfo.Raw.(d.FieldErrors); ok {
		return err
	}

	if e.ErrInfo.Detail != "" {
		return d.FieldError{Code: e.ErrInfo.Code, Message: e.ErrInfo.Detail}
	}
	return d.FieldError{Code: e.ErrInfo.Code, Message: msg}
}